Prepare for remote->local frame swap

Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 187 matching lines @@
 #include "web/GeolocationClientProxy.h"
 #include "web/LocalFileSystemClient.h"
 #include "web/MIDIClientProxy.h"
 #include "web/NotificationPermissionClientImpl.h"
 #include "web/PageOverlay.h"
 #include "web/SharedWorkerRepositoryClientImpl.h"
 #include "web/TextFinder.h"
 #include "web/WebDataSourceImpl.h"
 #include "web/WebDevToolsAgentPrivate.h"
 #include "web/WebPluginContainerImpl.h"
+#include "web/WebRemoteFrameImpl.h"
 #include "web/WebViewImpl.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/HashMap.h"
 #include <algorithm>
 
 namespace blink {
 
 static int frameCount = 0;
 
 // Key for a StatsCounter tracking how many WebFrames are active.
@@ skipping 1578 matching lines @@
     UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
     v8::HandleScope handleScope(toIsolate(frame()));
     v8::Local<v8::Value> result = frame()->script().executeScriptInMainWorldAndReturnValue(ScriptSourceCode(script));
     if (result.IsEmpty() || !result->IsString())
         return;
     String scriptResult = toCoreString(v8::Handle<v8::String>::Cast(result));
     if (!frame()->navigationScheduler().locationChangePending())
         frame()->loader().replaceDocumentWhileExecutingJavaScriptURL(scriptResult, ownerDocument.get());
 }
 
+void WebLocalFrameImpl::initializeToReplaceRemoteFrame(WebRemoteFrame* oldWebFrame)
+{
+    Frame* oldFrame = toCoreFrame(oldWebFrame);
+    OwnPtr<FrameOwner> tempOwner = adoptPtr(new PlaceholderFrameOwner());
+    m_frame = LocalFrame::create(&m_frameLoaderClientImpl, oldFrame->host(), tempOwner.get());
+    m_frame->setOwner(oldFrame->owner());
+    m_frame->tree().setName(oldFrame->tree().name());
+    setParent(oldWebFrame->parent());
+    // We must call init() after m_frame is assigned because it is referenced
+    // during init(). Note that this may dispatch JS events; the frame may be
+    // detached after init() returns.
+    m_frame->init();
+}
+
 void WebLocalFrameImpl::sendPings(const WebNode& linkNode, const WebURL& destinationURL)
 {
     ASSERT(frame());
     const Node* node = linkNode.constUnwrap<Node>();
     if (isHTMLAnchorElement(node))
         toHTMLAnchorElement(node)->sendPings(destinationURL);
 }
 
 bool WebLocalFrameImpl::isLoading() const
 {
@@ skipping 101 matching lines @@
 
 void WebLocalFrameImpl::invalidateAll() const
 {
     ASSERT(frame() && frame()->view());
     FrameView* view = frame()->view();
     view->invalidateRect(view->frameRect());
     invalidateScrollbar();
 }
 
 } // namespace blink